Spindle.



No. 663,492. Patented Dec. I|, l900.

T. GORMAN.

SPINDLE.

-Applcation led June 13, 189B.)

(No Model.)

F/GJ.

lllNiTsD STATES PATENT OFFICE.

THOMAS GORMAN, OF WARREN, RHODE ISLAND, ASSIGNOR OF ON-HALF TO FRANK H. BROWN, OF WARWICK, RHODE ISLAND.

SPINDLE.

SPECIFICATION forming part of Letters Patent No. 663,492, dated December 11, 1900.

Application filed June 13, 1898. Serial No. 683,272. (No model.)

To all whom t may concern: prevent rotation of the bolster, as well as to Be it known that I, THOMAS GORMAN, of support said bolster freely in the end of the o Warren, in the county of Bristol and State of tube. Rhode Island, have invented certain new and In Fig. 2 is shown a modified form of fixed 5 useful Improvements in Spindles; and I do' step for the spindle. In this construction the hereby declare the following specification, lower end of the spindle rests upon a flat surtaken in connection with the accompanying face l1, forming the bottom' of a recess in a 55 drawings, forming a part of the same, to be step block l2, secured in the bolster case. a full, clear, and exact description thereof. The recess in the block 12 is somewhat larger io The invention relates to that class of spinthan the end of the spindle, so that said spindles which have a sleeved whirl and are comdle may move laterally in said recess in cenmonly used in ring-frame spinning-machines, tering itself under an unbalanced load. The 6o and has for its object to provide a spindle end of the spindle is preferably flattened or which is simple in construction, which is not rounded, so that itwill travel freely over the 15 liable to get out of order,which may be readily surface ll. With this construction and arand cheaply repaired, and which may be run rangement-that is, with the spindle supat a high rate of speed without chattering ported in the bolster-case by means of afixed and without undue friction and heating of step and a loose bolster suspended in said the parts. casethe spindle may be run at a high rate zo To this end the invention consists in the of speed without liability to get out of order or features and combinations hereinafter deto unduly heat or wear the parts, and should scribed and claimed. any part become injured or worn it may be 7o Referring to the drawings, Figure l is a readily and cheaply replaced. l sectional view of a spindle embodying the in- What I claim as my invention, and desire 2 5 vention. Fig. 2 is a similar view of a modito secure by Letters Patent, is

fied form of spindle, and Fig. 3 is a detail of l. The combination of a spindle, a sleeved the bolster. whirl secured thereto, a bolster-case extend- Referring to Figs. 1 and 3, the rail A has ing up within said sleeved whirl, a fixed step secured thereto in the usual way the bolsterin said bolster-case, and a loose bolster sus- 30 case B, in which the spindle is mounted. A pended in the bolster-case and located above step-block O is secured in the bolster-case the whirl, substantially as described. and supports the lower end of the spindle. 2. The combination of a spindle, a'sleeved 8o A bearing l for the lower end of the spindle whirl secured thereto, a bolster-case extend- 2 is formed in the block O and is provided ing up within Vsaid sleeved whirl, a Xed step 3 5 with aconical lower end 3. The lower end of in said bolster-case, one or more recesses in the spindle has a loose running fit in the bearthe upper end of said bolster-case, and a loose ing l and is provided with a conical point 5, bolster located above the Whirl and provided which rests in the recess 3, thereby centering with one or more lugs for engaging said rethe lower end of the spindle, while allowing cess or recesses and supporting said bolster,

4o the upper end to gyrate. The whirl 6 is substantially as described.

formed on a sleeve 7, secured to the spindle, 3. The combination of a spindle, a sleeved and the bolster-case extends up within the whirl secured thereto, a bolster-case extend- 9o sleeve above the whirl, as is usual in sleeveing up within said sleeved Whirl, aiixed step whirl spindles. A bolster 9 is loosely mountin said bolster constructed to center the lower 45 ed in the upper end of the bolster-case and end of the spindle, anda loose bolster mountis suspended from the upper end of said case ed in said bolster-case and located above said by one or more lugs lO, which rest in recesses whirl, substantially as described. in the upper end of said tube and serve to 4. The combination of a spindle, a sleeved whirl secured thereto, a bolster-oase extendor recesses and supporting said bolster, subing up Within said sleeved Whirl, a xed step stantially as described. in said bolster constructed to center the lower end of the spindle, one or more recesses in THOMAS GORMAN 5 the upper end of the bolster-case, and aloose Witnesses:

bolster located above said whirl and provided W. H. THURSTON, with one or more lugs for engaging said recess R. A. BATES. 

